body {
  background-color:#fff;
}
div {
  width: 400px;
  height: 320px;
  margin: 0 auto;
}
table {
  border: 1px solid gainsboro;
  width: 400px;
  height: 300px; 
  vertical-align: middle;
  text-align: center;
  
}
table tbody {
  background-color:  rgb(236, 229, 229);
 }
 table thead { 
   background-color:skyblue;
   color: #fff;
   line-height: 50px
   
 }